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Keyestudio Analog Sound Noise Sensor Detection Module for Arduino

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The keyestudio microphone sensor is typically used in detecting the loudness in ambient environment. The Arduino can collect its output signal by analog input interface. 
The S pin is analog output, that is voltage signal real-time output of microphone. The sensor comes with a potentiometer, so that you can turn it to adjust the signal gain.
It also has a fixed hole so that you can mount the sensor on any other devices. You can use it to make some interactive works, such as a voice operated switch.


  • Operating voltage: 3.3V-5V(DC)

  • Operating current: <10mA

  • Interface:3PIN

  • Output signal: Analog

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